from tkinter import *
x = int(input("Введите координату x"))
y = int(input("Введите координату y"))
n = int(input("Ведите коэффициент умножения"))
coords = [0, 0, 10, 0, 10, 10, 20, 10, 20, 30, 10, 30, 10, 20, 0, 20]
if n == 0 and x>=0 and x<=500 and y>=0 and y<=500:
      pass
else:
    if n > 0 and 0*n+x >= 0 and 0*n+y >= 0 and 20*n+x<=500 and 20*n+y<=500:
        pass
    else:
        if n < 0 and 20*n+x>=0 and 20*n+y>=0 and 0*n+x<=500 and 0*n+y<=500:
            pass
        else:
            print("Размер фигуры превышает размеры поля")
            exit()
root = Tk()
root.title("ИТ марафон")
root.geometry("500x500")
canvas = Canvas(bg="white", width = 500, height = 500)
canvas.pack(anchor=CENTER, expand=1)
canvas.create_polygon(coords [0]*n+x,coords [1]*n+y,
                      coords [2]*n+x,coords [3]*n+y,
                      coords [4]*n+x,coords [5]*n+y,
                      coords [6]*n+x,coords [7]*n+y,
                      coords [8]*n+x,coords [9]*n+y,
                      coords [10]*n+x,coords [11]*n+y,
                      coords [12]*n+x,coords [13]*n+y,
                      coords [14]*n+x,coords [15]*n+y)
                     
root.mainloop()
